14-letter words containing z, a, d
- well-organized — affiliated in an organization, especially a union: organized dockworkers.
- winning hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- zenaida (dove) — either of two wild doves, (Zenaida aurita) of Florida and the Caribbean, or (Z. asiatica) of the SW U.S. to Chile
- zeno's paradox — any of various versions of a paradox regarding the relation of the discrete to the continuous and requiring the concept of limit for its satisfactory explanation.
- zodiacal light — a luminous tract in the sky, seen in the west after sunset or in the east before sunrise and thought to be the light reflected from a cloud of meteoric matter revolving round the sun.
- zona pellucida — the transparent, noncellular layer surrounding the ovum of mammals, often having radial striations.